We use histogram to graphically represent the Grouped Frequency Table.
We draw graphically like
Let’s do another example
Let following be the data of age group of people in your locality
Bar Graph
In Bar Graph
Bars have equal space
On the y-axis, we have numbers & on the x-axis, we have data which can be anything.
Histogram
In Histogram
Bars are fixed
On the y-axis, we have numbers & on the x-axis, we have data which is continuous & will always be number.
Bars chart can also be drawn horizontally.
Histogram cannot be drawn horizontally.